54648020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{390343}}^1$

素因数の和:390359

約数の個数: 24

約数和(自身を含む): 131155584

約数和(自身を除く): 76507564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 390343, 780686, 1561372, 1951715, 2732401, 3903430, 5464802, 7806860, 10929604, 13662005, 27324010, 54648020]

約数ペア:

[(1, 54648020), (2, 27324010), (4, 13662005), (5, 10929604), (7, 7806860), (10, 5464802), (14, 3903430), (20, 2732401), (28, 1951715), (35, 1561372), (70, 780686), (140, 390343)]